PHP Metabor\Statemachine\Graph GraphBuilder Examples

Example #1

File: graph.php Project: metabor/statemachine-example

require_once __DIR__ . '/vendor/autoload.php';
use Example\Order\Process\Postpayment;
use Example\Order\Process\Prepayment;
use Metabor\NamedCollection;
use Metabor\Statemachine\Graph\GraphBuilder;
use Fhaculty\Graph\Graph;
use Graphp\GraphViz\GraphViz;
try {
    $processes = new NamedCollection();
    $processes->add(new Prepayment());
    $processes->add(new Postpayment());
    if (isset($_GET['process'])) {
        $processName = strtolower($_GET['process']);
        if ($processes->has($processName)) {
            $process = $processes->get($processName);
        }
    }
    if (!isset($process)) {
        $processNames = $processes->getNames();
        $processName = reset($processNames);
        $process = $processes->get($processName);
    }
    $graph = new Graph();
    $builder = new GraphBuilder($graph);
    $builder->addStateCollection($process);
    $viz = new GraphViz();
    $viz->setFormat('svg');
    echo file_get_contents($viz->createImageFile($graph));
} catch (Exception $e) {
    echo $e->getMessage();
}

Example #2

File: GraphBuilderTest.php Project: metabor/statemachine

 public function testAddsStatesToGraph()
 {
     $state = new State('first');
     $stateCollection = new StateCollection();
     $stateCollection->addState($state);
     $secondState = new State('second');
     $state->addTransition(new Transition($secondState));
     $graph = new Graph();
     $builder = new GraphBuilder($graph);
     $builder->addStateCollection($stateCollection);
     $this->assertTrue($graph->hasVertex('first'));
     $this->assertTrue($graph->hasVertex('second'));
 }